DRL brightness increase — F-150 FORScan mod (2021–2026)
Raises daytime running light intensity from the dim default toward full brightness.
- Module
- BCM — Body Control Module (726)
- Model years
- 2021 2022 2023 2024 2025 2026
- Powertrain
- Gas (EcoBoost, 5.0L, V6), PowerBoost hybrid, Lightning EV
- Trim & equipment
- Lightning thread lists its own values
- Category
- Lighting
- Risk
- Medium risk
- FORScan setting
- No named setting documented. Use As-Built Format.
- As-Built
BCM 726-42-01 x2x2 xxxx xx-- and BCM 726-38-01 xxxx **xx xx-- (sheet: ~60% 3C hex to 75% 4B hex
Lightning thread: 64=100%, 4B=75%, 32=50%, 19=25%, 0A=10% default)As published by the source below. Compare against your own backup; surrounding digits control other features.
Notes
Users report flickering at higher values; use the lowest value that works. Lightning thread marks it 'not recommended' and warns of being flashed by oncoming drivers. One gen14 user used 55 (~85%). As-Built field: DRL_Ckt_FixedDim_DutyCycle_Cfg. DRL intensity is federally regulated.
How to apply it
- Back up every module's As-Built data and keep the files somewhere safe.
- Connect FORScan with a battery maintainer on, ignition ON and engine OFF.
- Open Configuration and Programming, choose the BCM module, open As-Built Format and edit only the digit described by the source.
- Write, follow any module reset prompt, cycle the ignition, then confirm the feature and check for new trouble codes.
Sources
- docs.google.com — docs.google.com/spreadsheets/d/1-_e09lLPPeSHoO3SsNwyqu5v3dgpbluvJcezUItTSVI/edit#gid=16973
- f150lightningforum.com — www.f150lightningforum.com/forum/threads/f150-lightning-forscan-thread-version-2.23634/
- f150gen14.com — www.f150gen14.com/forum/threads/forscan-favorite-mods.12311/page-4
- f150forum.com — www.f150forum.com/f129/list-your-chosen-forscan-mods-your-truck-523084/